ifm
System Manual
ecomat
mobile
SmartController (CR2500, CR2502) V05
More functions in the ecomatmobile controller
Counter functions for frequency and period measurement
201
10.1.1
Applications
It must be taken into account that the different measuring methods can cause errors in the frequency
detection.
The function FREQUENCY (
→
) is suitable for frequencies between 100 Hz and 30 kHz; the
error decreases at high frequencies.
The function PERIOD (
→
) carries out a period measurement. It is thus suitable for
frequencies lower than 1000 Hz. In principle it can also measure higher frequencies, but this has a
significant impact on the cycle time. This must be taken into account when setting up the application
software.
10.1.2
Use as digital inputs
If the fast inputs (FRQx / CYLx) are used as "normal" digital inputs, the increased sensitivity to
interfering pulses must be taken into account (e.g. contact bouncing for mechanical contacts). The
standard digital input has an input frequency of 50 Hz. If necessary, the input signal must be
debounced by means of the software.
Содержание Ecomat 100 ecomatmobile SmartController CR2500
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